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Instruction ES2007

4/98

Corrosion Resistant
Positioner Instructions
Models 4700P and 4700E

For complete listing of spare parts, refer to Masoneilan publication FS2007

Содержание Masoneilan 4700E

Страница 1: ...Instruction ES2007 4 98 Corrosion Resistant Positioner Instructions Models 4700P and 4700E For complete listing of spare parts refer to Masoneilan publication FS2007 ...

Страница 2: ...ly pressure could cause downstream equipment to malfunc tion Installation should be in accordance with local and national compressed air and instrumentation codes Products certified for use in explosionproof flameproof or intrinsically safe installations MUST a Be installed in accordance with local and national codes for hazardous area installations b Only be used in situations which comply with t...

Страница 3: ...k spring The valve plug continues to move until the spring force exactly balances the force of the instrument signal on the diaphragm In the new balanced state the valve plug is positioned in a programmed relationship to the instrument signal Pilot The pilot is essentially a three way sliding valve The plug regulates supply air flow to and from the actuator to the exhaust port The position of this...

Страница 4: ...ignal is applied directly to the positioner diaphragm and the regulated supply pressure flows through the pilot valve to or from the actuator The bypass valve module permits the positioner to be isolated for maintenance while operating the valve directly with the instrument signal By turning the nylon bypass valvetothebypassposition theraisedarrowonthebypass valve aligned with the word Bypass on t...

Страница 5: ...n can be reversed by simply engaging the proper lobe on the cam and reversing the follower arm numbers 1 and 2 above and the supply and exhaust ports number 3 above yy yy yyy yyy yyy yy yy yy yyy yyy yyy y y yy yy yy yy yy yy yy yy Cam Lever Arm Feedback Spring Diaphragm Pilot Spring Bypass Valve Pilot Plug 1 2 3 Supply Exhaust 3 yyy yyy yy yy yy y y yyy yyy y y y yyy yyy y y Cam Lever Arm Feedbac...

Страница 6: ...ing 103 Back Lever 113 Cap Screw 38 Cap Screw 104 Clevis Pin 114 Lockwasher 39 Lockwasher 105 Retaining Clip 115 Mounting Bracket 40 Washer 531 ID 106 Turnbuckle 122 Washer 41 Post Hub 107 Locknut 26 Cam 42 Input Shaft 108 Locknut 27 Washer 135 Instruction Plate 109 Elbow 28 Pan Head Screw Ref Nos 109 110 and 112 are not included in the mounting kit Clevis Mounting Assembly 104 105 122 103 102 106...

Страница 7: ...102 clevis pin 104 washer 122 and retaining clip 105 in the proper location on the back lever Location is based on valve stroke required 5 Check Figure 5 for proper mounting location for posi tioner on bracket 6 Mount positioner on bracket using socket head screws 29 and lockwashers 30 Note Back lever must be behind bracket 7 Mount cam 26 on input shaft using washer 27 and screw 28 with desired lo...

Страница 8: ... 29 and lockwashers 30 7 Mount positioner and bracket assembly to actuator yoke using cap screws 12U and lockwashers 30 8 Attach clevis 102 to back lever 103 using clevis pin 104 retaining clip 105 and washer 122 9 Mount cam 26 on input shaft with desired lobe against cam follower using screw 28 and washer 27 Figure 6 101 107 105 104 122 1U 102 103 Ref Ref No Description No Description 1U Lever 39...

Страница 9: ...k II and HPBV The intermediate mounting plate 171 is held by two flat head screws 172 to the bracket Note The cam take off hole must be centered about the shaft before tightening mounting screws 29 Socket Head Screw 172 Mounting Plate Screws 171 Mounting Plate 30 Lockwashers Ref No Ref No Mounting Parts Reference Description Description Air to Close Air to Open Air to Close Camflex II Varimax Figu...

Страница 10: ... and 4700E 10 Ball II and MiniTork II For detail of Positioner Mounting see Figure 7 Figure 9 Air to Open Air to Close High Performance Butterfly Valve HPBV For detail of Positioner Mounting see Figure 7 Figure 10 Air to Open Air to Close ...

Страница 11: ...00EPositioners Notethatthe4700Ehasthe Instrument port sealed by a 1 4 NPT Plug Do not remove plug or make any other connections to this port The use of a Masoneilan filter regulator with a 5 micron filter is recommended for the air supply Tubing used for piping between filter regulator positioner and actuator should be 1 4 minimum with 3 8 used for larger actuators Caution Do not use pipe thread s...

Страница 12: ...ENT SUPPLY SIGNAL SIG DIR SUP REV EXH DIR EXH REV SUP OUT 4700P Reverse Action INSTRUMENT SUPPLY OUTPUT SIG DIR SUP REV EXH OUTPUT VENT SUPPLY SIGNAL DIR EXH REV SUP OUT 4700P Direct Action OUTPUT VENT SUPPLY PLUG SUPPLY OUTPUT SIG DIR SUP REV EXH DIR EXH REV SUP OUT 4700E Direct Action ...

Страница 13: ...100 controller output 20 mA is obtainable CAUTION Do not use a voltage source to drive the positioner as it may cause permanent damage Figure 12 Electrical Connections INTERNAL GROUND SIGNAL CONNECTIONS EXTERNAL CONNECTIONS WARNING The positioner must be installed in accordancewithlocalandnationalcodesofprac tice in both general purpose and hazardous area locations The electrical components are fu...

Страница 14: ...nstructions CSA Canadian Standards Association approved version Explosionproof Class I Groups B C and D Class II Groups E F and G and Class III rated at 30 mA maximum 28 Vdc maximum with a temperature code T6 75 C T5 85 C Type 4X enclosure Division 2 Class 1 Division 2 Groups A B C and D rated 30 mA maximum and 28Vdc maximum Installation must be in accordance with the current edition of the Canadi...

Страница 15: ...15 Instruction ES2007 4 98 Models 4700P and 4700E Figure 14 FM Installation ...

Страница 16: ...Instruction ES2007 4 98 Models 4700P and 4700E 16 Figure 15 CSA Installation ...

Страница 17: ...17 Instruction ES2007 4 98 Models 4700P and 4700E Figure 16 CENELEC Installation ...

Страница 18: ... to adjust zero nut with signal above low end of signal range If valve is seated at low Mounting Cam Coupling Figure 19 20 The cam coupling 34 used on rotary actuators is posi tioned on the shaft with the key engaged in the shaft slot and the set screws 35 to the top and side The coupling hold down screw 32 with the lockwasher 33 is torqued to 125 inch lbs Mounting Cam The cam holder 36 and cam 26...

Страница 19: ...pen Direct Acting Positioner Figure 19 20 1 Shut off supply pressure and signal to positioner Valve is now closed and cam 26 is at low signal line on lobe 2 With cam at low signal line remove screw 28 and washer 27 Note the relative position of the cam lobe being changed and then remove the cam 26 3 Select the desired cam lobe and replace cam 26 on cam shaft with low signal line of desired lobe ag...

Страница 20: ...gure 20 to mount positioner and cam coupling Once the positioner body is assembled on the valve and the coupling is on the valve shaft proceed to the proper section below Air to Open Direct Acting Positioner Figure 19 20 1 Do not connect air supply or signal to the positioner Valve is closed 2 Place lever S A 3 to proper side left or right as designated by the appropriate cam selection table for v...

Страница 21: ...lever S A 3 then tighten set screws 35 to 87 inch lbs torque See Figure 19 for cam mounting 7 Connect air supply and signal to positioner Connect positioner output to valve actuator Refer to connec tion diagram for valve in question Adjust signal to low end of signal i e 3 psig for a 3 15 psig range 4700P 4 mA for 4 20 mA 4700E Adjust zero and span Refer to zero and span adjustment section Air to ...

Страница 22: ... pressure applied to actuator to zero If handwheel was used back if off fully Cam will now be at high signal line 4 Disconnect the independent regulated air line and connect the positioner output line to the actuator Connect supply pressure and signal to the positioner 5 Apply low value of instrument signal 3 psi if 3 15 psi signal range Unlock zero locknut 4C and turn buckle locknut 107 Adjust ze...

Страница 23: ...ce versa it is important to be familiar with the following steps To remove or install the cam safely the valve position must correspond to the low signal line on lobe The positioner supply line the vent and the lever S A must be reversed From Air to Open Direct to Air to Open Reverse 1 Perform Steps 1 and 2 from Cam Lobe Change section for Air to Open Direct Acting Positioner Cam is now removed 2 ...

Страница 24: ...ng screws are not accessible Remove and replace module as outlined under Body Disassembly page 24 Note that there are no adjustments in the I P module Pilot Figure 18 To clean or replace deteriorated parts the valve must be isolated from process Shut off air supply To minimize maintenance time it is recommended that the entire pilot subassembly 11 be replaced by a new subassembly so that the old u...

Страница 25: ...the bottom of the recess 4 Assemble to positioner using four 8 32 x 1 25 long screws 21 5 Reinstallventplug instrumentgauge andairconnec tions Disassembly 1 To remove from positioner reverse assembly steps 5 and 4 2 To replace valve 48 O ring seals remove retaining ring 49 and slide valve out of block Remove O rings 46 and 47 replace with new rings which have a thin coat of Krytox or other silicon...

Страница 26: ... adjust if necessary 3 Adjust instrument signal pressure from minimum to maximum and observe the corresponding gauge If Instrument gauge reading does not respond to the signal the diaphragm S A may be broken Replace the defective part 4 Positioner insensitivity may be the result of a sticking pilot spool whose movement may be impeded by a Foreign matter such as dirt metal particles etc b Partial b...

Страница 27: ... 181 Varimax Cam Part No 041126 183 1 2 3 4 5 6 8 7 1 2 1 1 1 0 9 Valve Positioner Range and Cam Action Action Characteristic Lobe Direct 0 100 Lin 5 Air 0 100 Perc 2 Arm 0 50 Lin 10 to Right 50 100 Lin 9 Reverse 0 100 Lin 11 Open 0 100 Perc 1 Arm 0 50 Lin 4 Left 50 100 Lin 3 Direct 0 100 Lin 11 Air 0 100 Perc 1 Arm 0 50 Lin 4 to Left 50 100 Lin 3 Reverse 0 100 Lin 5 Close 0 100 Perc 2 Arm 0 50 Li...

Страница 28: ... Reverse 0 100 Perc 1 Open Arm 0 50 Perc 6 Left 50 100 Perc 5 Direct 0 100 Perc 1 Air Arm 0 50 Perc 6 Left 50 100 Perc 5 to Reverse 0 100 Perc 4 Close Arm 0 50 Perc 3 Right 50 100 Perc 2 Lever S A Orientation Pneumatic Circuit ARM LEFT ARM RIGHT DIRECT REVERSE Signal Supply Vent Plug to Actuator Signal Vent Plug Supply to Actuator Valve Positioner Range and Cam Action Action Characteristic Lobe Di...

Страница 29: ... Plug to Actuator Signal Vent Plug Supply to Actuator Valve Positioner Range and Cam Action Action Characteristic Lobe Direct 0 100 Lin 5 Air 0 100 Perc 2 Arm 0 50 Lin 10 to Right 50 100 Lin 9 Reverse 0 100 Lin 11 Open 0 100 Perc 1 Arm 0 50 Lin 4 Left 50 100 Lin 3 Direct 0 100 Lin 11 Air 0 100 Perc 1 Arm 0 50 Lin 4 to Left 50 100 Lin 3 Reverse 0 100 Lin 5 Close 0 100 Perc 2 Arm 0 50 Lin 10 Right 5...

Страница 30: ... Models 4700P and 4700E 30 Figure 19 4700P 3 15 and 6 30 Ranges Reducer plate for 6 30 only Mount rounded side of reducer plate towards diaphragm Reciprocating Rotary 4 5 6 1 2 3 Reference Line Cam Sector in use Cam Follower ...

Страница 31: ...ng Feedback 33 Lockwasher 6 Clamp 34 Coupling 7 Lockwasher 35 Socket Head Set Screw 8 Socket Head Screw 36 Cam Holder 9 Diaphragm S A 37 Truarc Ring 10 Screw 38 Cap Screw 11 Pilot S A 39 Lockwasher 12 Supply Gauge 40 Washer 13 Output Gauge 41 Post Hub S A 14 Instrument Gauge 42 Input Shaft 15 Screw Washer Head 43 16 Washer 44 17 Retaining Clip 45 18 Cover Case 46 19 Vent Plug 47 20 Screw Sealing S...

Страница 32: ...Instruction ES2007 4 98 Models 4700P and 4700E 32 Figure 20 4700E Rotary Reciprocating ...

Страница 33: ...amp 34 Coupling 7 Lock Washer 35 Socket Head Set Screw 8 Socket Head Screw 36 Cam Holder 9 3 15 Diaphragm S A 37 Truarc Ring 10 Screw 38 Cap Screw 11 Pilot S A 39 Lockwasher 12 Supply Gauge 40 Washer 13 Output Gauge 41 Post Hub S A 14 42 Input Shaft 15 43 Plug Pipe 1 4 NPT 16 Washer 44 I P Module Assembly 17 Retaining Clip 45 18 Cover Case 46 19 Vent Plug 47 20 Screw Sealing Set 5 16 24 x 5 48 21 ...

Страница 34: ...0P and 4700E 34 45 46 50 47 48 49 21 Signal Supply Output 19 19 Vent Plug 21 Screw 8 32 x 1 25 SEMS 45 Bypass S A 46 O ring 47 O ring 48 Valve Bypass 49 Ring Retaining 50 O ring Figure 21 Bypass Option Parts Reference Ref No Description ...

Страница 35: ... error typical 40 to 20 31 per C 20 to 60 06 per C 60 to 85 11 per C supply pressure less than 0 25 stroke influence change per psi supply change maximum air dictated by actuator but supply rating never greater than 100 psig connections pneumatic 1 4 NPT electrical 1 2 NPT or M20 weight 4700P 3 5 lbs 4700E 4 7 lbs 4700P deadband 0 2 of span hysteresis 0 2 of span repeatability within 0 2 of span s...

Страница 36: ... 720175 UNITED STATES Dresser Valve Controls Division Masoneilan North America Operations 85 Bodwell Street Avon Massachusetts 02322 1190 Telephone 1 508 586 4600 Fax 1 508 941 5497 Dresser Valve Controls Division 15112 Morales Road 77032 P O Box 60078 Houston Texas 77205 0078 Telephone 1 281 871 6500 Fax 1 281 871 6569 ITALY Masoneilan Divizione of Dresser Italia S p A Headquarters Sales Office P...

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